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Glossary

allotrope Some elements exist in several various structural forms, referred to as allotropes. Each allotrop has different physical properties.

You are watching: Sulfur 25 protons, neutrons electrons

For more information ~ above the Visual facets image view the Uses and also properties ar below.


Discovery date prehistoric
discovered by -
beginning of the name The name is obtained either indigenous the Sanskrit "sulvere", or the Latin "sulfurium".
Allotropes α-S (orthorhombic), β-S (monoclinic), S2, S3, cyclo-S8

Glossary

GroupA vertical shaft in the regular table. Members the a group generally have similar properties and also electron construction in their external shell.

PeriodA horizontal heat in the periodic table. The atomic variety of each aspect increases by one, reading from left to right.

BlockElements room organised into blocks by the orbital type in i beg your pardon the external electrons space found. This blocks are called for the properties spectra they produce: spicy (s), primary (p), diffuse (d), and basic (f).

Atomic numberThe variety of protons in an atom.

Electron configurationThe kinds of electrons over the critical (closed shell) noble gas.

Melting pointThe temperature in ~ which the solid liquid phase change occurs.

Boiling point The temperature in ~ which the lpg phase change occurs.

SublimationThe change of a substance directly from the solid come the gas step without passing v a fluid phase.

Density (g cm−3)Density is the massive of a substance that would certainly fill 1 cm3 in ~ room temperature.

Relative atom massThe mass of an atom family member to that of carbon-12. This is roughly the sum of the variety of protons and neutrons in the nucleus. Where more than one isotope exists, the value given is the abundance weight average.

IsotopesAtoms of the same facet with various numbers of neutrons.

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CAS numberThe chemical Abstracts organization registry number is a distinctive identifier of a details chemical, designed to avoid confusion emerging from various languages and naming systems.